sha1

#⃣ dd's hashing utility

Command-line utility for Windows which generates, verifies, and signs hash digests for your project.

SHA-1 implementation in C++

Check easily the checksum of a file.

Incremental SHA-1 calculation

A simple tool to check if your password has been leaked.

YagitPS: Yet Another Git Publishing System.

Fast and easy to use C++ cryptographic hash functions

A pure rust library implementing hmac-sha1 Hash-based Message Authentication Code

Based on: https://www.openssl.org/source/